Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 1 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/26/2018   07:28:12   (  -0.02,-134.99) (   0.05,-134.76)   27.07                80
 01/28/2018   07:16:01   (  -0.01,-135.06) (   0.66,-131.80)  370.59                80
 01/28/2018   19:37:16   (   0.01,-135.06) (   0.40,-136.96)  216.37                80
 01/30/2018   19:27:44   (   0.02,-135.12) (  -0.21,-134.00)  126.70                80
 01/31/2018   07:49:08   (  -0.02,-135.16) (  -0.89,-139.19)  458.99                80
 02/01/2018   19:15:32   (   0.03,-135.17) (  -0.83,-131.04)  469.60                80
 02/02/2018   07:36:56   (  -0.03,-135.21) (  -0.27,-136.23)  116.34                80
 02/04/2018   07:22:05   (  -0.03,-135.27) (   0.42,-133.28)  226.12                80
 02/04/2018   19:43:20   (   0.03,-135.26) (   0.71,-138.43)  361.65                80
 02/06/2018   19:31:08   (   0.03,-135.31) (   0.08,-135.48)   19.68                80
 02/08/2018   19:21:36   (   0.02,-135.35) (  -0.55,-132.52)  321.92                80